> Is there a reason for the restriction to one byte? Offhand I don't
> recall that we store TZ offsets on disk at all...
Ah, we don't. Sorry I wasn't clear. This is only for the lookup table we
use to interpret time zones on *input*. It is contained in
src/backend/utils/adt/datetime.c
And it has no long-term ramifications; it is entirely self-contained and
does not result in information being stored on disk.
This table does not have any concept of multiple values for a particular
string time zone (e.g. "PST" or "EDT"). If/when we incorporate the zic
stuff we will still need this lookup table, unless we develop an API to
allow finding these within the zic database.
- Thomas
